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store/tikv: limit batch split count for one request (#18191) #18694
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ti-srebot
merged 2 commits into
pingcap:release-3.0
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ti-srebot:release-3.0-49406ac5aefe
Jul 24, 2020
Merged
store/tikv: limit batch split count for one request (#18191) #18694
ti-srebot
merged 2 commits into
pingcap:release-3.0
from
ti-srebot:release-3.0-49406ac5aefe
Jul 24, 2020
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
/run-all-tests |
@Connor1996 please accept the invitation then you can push to the cherry-pick pull requests. |
Connor1996
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Jul 24, 2020
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LGTM
/test |
LGTM |
/merge |
Sorry @XuHuaiyu, you don't have permission to trigger auto merge event on this branch. |
/merge |
/run-all-tests |
crazycs520
approved these changes
Jul 24, 2020
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status/LGT3
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type/enhancement
type/3.0-cherry-pick
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cherry-pick #18191 to release-3.0
Signed-off-by: Connor1996 zbk602423539@gmail.com
What problem does this PR solve?
Too much split may cause TiKV latency spike.
What is changed and how it works?
For one batch split request, TiKV will write all newly created regions' metadata into one write batch of RocksDB. So limit the batch split for one request and separate it into multiple requests.
Related changes
Check List
Release note